25=-9x^2-30x

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Solution for 25=-9x^2-30x equation:


Simplifying
25 = -9x2 + -30x

Reorder the terms:
25 = -30x + -9x2

Solving
25 = -30x + -9x2

Solving for variable 'x'.

Reorder the terms:
25 + 30x + 9x2 = -30x + 30x + -9x2 + 9x2

Combine like terms: -30x + 30x = 0
25 + 30x + 9x2 = 0 + -9x2 + 9x2
25 + 30x + 9x2 = -9x2 + 9x2

Combine like terms: -9x2 + 9x2 = 0
25 + 30x + 9x2 = 0

Factor a trinomial.
(5 + 3x)(5 + 3x) = 0

Subproblem 1

Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667

Subproblem 2

Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667

Solution

x = {-1.666666667, -1.666666667}

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